Example: Opening and Closing a Connection to the Database Manager 
In this example, you use the DBM class of the sdb.dbm module to open an connection to the Database Manager and close it again.
Create a Python script sample.py with the following contents
Syntax
#
# Import Python modules
# ----------------------------
import sys
import sdb.dbm
#
# Parse call arguments
# --------------------------
dbm_operator = sys.argv [1]
dbm_operator_password = sys.argv [2]
database_name = sys.argv [3]
#
# Call up the Database Manager and log on to a database
# ------------------------------------------------------
session = sdb.dbm.DBM ('', database_name, '', dbm_operator + ',' + dbm_operator_password)
#
# Close the connection to the Database Manager
# -------------------------------------
session.release ()
Call the Python script:
python sample.py DBADMIN SECRET DEMODB